The construction of the defense line, of course, is not the kind of defense line such as reinforced concrete, but the construction of various formations around a galaxy one galaxy after another, including the chaotic god array that interferes with the primordial gods, the gathering yuan array that gathers energy, and the various formations used for attack. For example, in the Qingshui galaxy closest to the north, there are a total of two stars and nineteen planets in this galaxy, of which four planets are first-class administrative stars suitable for human habitation, five are second-class administrative stars that can be inhabited by humans after modification, and the remaining ten planets are mineral stars that produce all kinds of ores, this galaxy is very rich, so Fang Tiehai and others have laid out a key line of defense here. The first line of defense is to drag back 36,000 asteroids from other galaxies, and arrange the Great Zhou Tian Star Array on the periphery of the entire galaxy, and there are countless heavy formations inside the galaxy, all kinds of formations combined, making the Qingshui Galaxy into an ironclad defensive position, even if the Shenguang Clan uses cannons and giant ships to break through the defense here in a short time.

Of course, to build all kinds of formations and other defense facilities on a large scale, the materials needed are naturally massive, in addition to all kinds of ores, asteroids, etc., a large number of spars and all kinds of magic weapons used as the eyes of the formation, these things are more in the Yanhuang Clan, however, it also tires the soldiers of the two divisions and all the logistics departments enough, but as long as the defense facilities are built, it will not be easy for the Shenguang Clan to occupy the Tiger Killing Galaxy.

In the next few days, Fang Tiehai's two divisions were only construction workers and did not join the battlefield, on the one hand, the soldiers of the Yanhuang clan were not yet exposed, and on the other hand, they were not needed on the battlefield, because they could not play a big role in the battlefield now.

In the past twenty years, the Shenguang Clan has launched many attacks on the Tiger River Killing System, and the scale is not very large, at most it is a five-legion level attack, and it is not desperate to attack, but it is within the scope of a tentative attack, so it can be blocked by just relying on the mother emperor.

In the face of the situation on the battlefield, Zhao Tieyun didn't have much to do, the Shenguang Clan was really difficult, they had learned a lesson, and they did not send a large number of troops to attack closely, but bombarded with the main artillery from afar, the mother nest lacked long-range attack power, therefore, there were not many warships that could destroy the enemy, and there were very few soldiers who killed and injured the enemy, so Zhao Tieyun and the others were extremely depressed.

Zhao Tieyun and the others were of course extremely depressed, but several legions of the Shenguang Clan were also extremely depressed. After fighting for so long, they can't even find out what race is behind the enemy, and what makes their heads even bigger is the lack of effective weapons to deal with the brood, which makes them useless in many battles, and they have fought dozens of battles, but they can't even destroy a brood, and if it goes on like this, how easy is it to destroy the enemy?

This is the frustration of space warfare, if the power of the weapon is not enough, it is extremely difficult to destroy the enemy's warships and fortresses and other defenses. The fortress is a little better, after all, the fortress is generally unable to move, as long as it keeps attacking with artillery fire, there will always be a day to break through the defense, but the brood can run, and when the defense power of the defense system such as the protective shield is reduced to a certain extent, the brood will use the space to jump away, so that the cannon fire in front is equivalent to all in vain. This is also the reason why the Divine Light Clan has been fighting so many times and has no way to destroy a brood.

The Shenguang Clan has ordered the logistics department to study more powerful main guns and other weapons, but this is not so easy, when the power of the weapon reaches a certain level, it is not easy to make a little progress, for example, the thirty-fourth level of the power of the main cannon, if you want to improve to the thirty-fifth level of power, the time required is calculated in thousands of years, and even tens of thousands of years may not be able to be studied, because this is already beyond the limit of the human world, and it is absolutely very difficult to go further on the basis of the limit。 Just like a weightlifter, he can lift 200 kilograms of weight, this is already his limit, and it is very difficult for him to lift 200 kilograms of weight after hard training, and it is absolutely impossible for him to lift 400 kilograms of weight, because this is the limit of the human body, and this limit is not so easy to break.

In fact, it is not only the Shenguang Clan that has such a problem, but also the Heavenly Tiger Empire, the Heavenly Tiger Empire can build a fortress cannon with a power of level 38, but it cannot make a battleship main gun with a power of level 37, this is the problem. Because the fortress cannon is fixed on the fortress, even if the mass is large, the recoil does not matter much, but if a fortress gun that is hundreds of millions of tons or even more than a billion tons at every turn wants to be installed on a battleship, even if it is the largest in size, the largest in mass, The most powerful battleships can't be installed, and with the 38-level fortress guns, as long as the guns are fired, I am afraid that the battleships will be shaken apart by the strong recoil, so it is almost impossible to create a battleship main gun that can break through the 37-level defense of the brood in one fell swoop.

The Yanhuang clan also has the same problem, so, in the space war, both sides lack the strength to make a final decision, in this way, everyone is hiding in the turtle shell, depending on how powerful your artillery fire is, but it can't be moved, such a battle is definitely depressing to the extreme, so the Shenguang clan does not plan to invest more powerful troops in useless work, after all, fighting a war is a very expensive thing, since it is a useless thing, it is better to do less.

The Yanhuang Clan has also invested countless manpower and material resources to study how to install a more powerful main cannon on the brood, or use other methods to improve long-range attack power, but all the researchers have racked their brains, but there is still no good way, it seems that such a battle will continue for a while.

The same is true for the Shenguang Clan, they have more scientific researchers, and they have a longer history of research, but the level 34 main cannon is already their limit, and there is no way to break through to level 35 power in a short period of time, and even if such a main cannon is researched, it is still a question whether it can be used.

In the scientific research institute of the Shenguang Clan, countless scientists have studied millions of years to study the existing warship matching model, and now, they have to study a stronger main gun, which is not only a research on the main gun, but also a study of the entire war machinery system. Only a battleship with stronger power will do, otherwise, a small ship with a cannon will be useless at all, on the contrary, even if a powerful main gun can be installed on a small battleship, it can fire a cannon, and the battleship is afraid that it will be shocked to fall apart, and such a small ship with a cannon on the battlefield is just suicide. Therefore, such a research project is a very huge project, and it is impossible to achieve it without a long period of research.

This is also a bottleneck for the strength of a race to improve to a certain level, since the Heavenly Tiger Empire has researched the universe-level warship for more than 100,000 years, there has been no more powerful warship, and the reason is also here, on the one hand, there is no need to study stronger warships, on the other hand, it is because all kinds of materials, processes, etc. have reached the peak, and if you want to go further, it is basically impossible.

If the two sides continue like this, it will of course be beneficial to the Yanhuang Clan, because the Yanhuang Clan still has a lot of room for improvement, and its strength is increasing every day. But for the Shenguang Clan, such a day is very unfavorable, their strength has not improved much, although the number of warriors may increase some, but all kinds of war machinery or something have not made much progress, and the increase in numbers has not played a big role, so they are eager to break the current situation. However, how can the present situation be broken? It is a matter that the high-ranking officers of the eight legions assembled in the Slashing Tiger River system cannot think of a way to break their heads.

On May 9, 837 in the cosmic calendar, another group of reinforcements from the Shenguang Clan arrived at the Killing Tiger River System, which was a powerful strength of five legions, and so far, the total strength of the Cutting Tiger River System has reached thirteen legions, including the ninth, eighteenth, thirty-third, thirty-eighth, forty-second, forty-seventh, fifty-seventh, fifty-eighth, sixty-ninth, ninety-eighth, one hundred and nineth, The 137th and 155th Legions, a total of thirteen legions, plus the new recruits that had been replenished before, the total strength of the Shenguang Clan has reached more than 280 billion, plus the number of various civilians has reached more than 3 trillion, they have been relocated to the Slashing Tiger River system to serve this large army. The reason why so many civilians have to be relocated is that more troops will be brought in in the future.

At present, the Shenguang Clan, located in the Slashing Tiger River System, has formed the Southern Front Army Group of the Shenguang Tribe, and unified the command of the entire Slashing Tiger River System and the surrounding eighteen river systems, with a total strength of up to 35 legions, and the commander-in-chief of this force is Binriga, one of the five great gods of the Shenguang Clan* Zhiguang Great Divine Marshal, also the eldest of the five Great Divine Marshals, in the entire Shenguang Clan, he is afraid that he is already the highest senior, all the Divine Generals and Divine Commanders of the Military Department are his juniors, and a few are even his students, such as the Commander of the 109th Legion, Ahute Dos * Yongguang Divine Marshal, is one of his five personal disciples. In the entire southern front army group, his disciples and grandchildren are not a few, so although he does not dare to say that he is a finger in the entire southern front army group, he can also command freely.

Although he commanded the army, the veteran and serious commander of Binriga did not immediately attack with his army, on the contrary, he held several meetings of the troops, first unified the morale of the army, and then ordered all the troops to step up training and prepare for battle.

As for when to attack and how to attack, after learning about the enemy's situation, the commander of Binrigga fell into deep thought, it is definitely not an easy task to take the river system on the opposite side, the enemy, it is not easy to deal with. This was his first realization, and what he had been exposed to before was only general information, but now that he has learned countless videos of battles, he has a deeper impression of the enemy and a better understanding of the difficulty of the enemy, so he has a lot to consider.

After nearly a year of rest, the commander of the Brinrigga finally decided on the battle plan, and convened a meeting of the top commanders of the thirteen regiments, which was attended by the top commanders and staff officers of the thirteen regiments, as well as the heads of the various regiments, a total of as many as 1,000 people attended the meeting.

At the meeting, General Gu Lega, who took up the post of chief of staff of the Southern Front Army Group, said: "This operational meeting was decided in response to a new round of our army's offensive against the enemy. This battle plan was drawn up by the General Staff Headquarters in accordance with the wishes of His Excellency the Great Marshal God. Now let's discuss it openly. ”